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CP
2009
Springer
13 years 5 months ago
Minimizing the Maximum Number of Open Stacks by Customer Search
We describe a new exact solver for the minimization of open stacks problem (MOSP). By combining nogood recording with a branch and bound strategy based on choosing which customer s...
Geoffrey Chu, Peter J. Stuckey
AI
2008
Springer
13 years 7 months ago
Understanding the role of noise in stochastic local search: Analysis and experiments
Stochastic local search (SLS) algorithms have recently been proven to be among the best approaches to solving computationally hard problems. SLS algorithms typically have a number...
Ole J. Mengshoel
STACS
2005
Springer
14 years 25 days ago
Solving Medium-Density Subset Sum Problems in Expected Polynomial Time
The subset sum problem (SSP) (given n numbers and a target bound B, find a subset of the numbers summing to B), is one of the classical NP-hard problems. The hardness of SSP vari...
Abraham Flaxman, Bartosz Przydatek
AAAI
2010
13 years 8 months ago
A Restriction of Extended Resolution for Clause Learning SAT Solvers
Modern complete SAT solvers almost uniformly implement variations of the clause learning framework introduced by Grasp and Chaff. The success of these solvers has been theoretical...
Gilles Audemard, George Katsirelos, Laurent Simon
COCO
2006
Springer
97views Algorithms» more  COCO 2006»
13 years 11 months ago
A Duality between Clause Width and Clause Density for SAT
We consider the relationship between the complexities of - and those of restricted to formulas of constant density. Let be the infimum of those such that - on variables can be dec...
Chris Calabro, Russell Impagliazzo, Ramamohan Patu...